Iodine is a trace element that is naturally present in certain foods (some fish, dairy, shrimp...) and is added to some types of salt. It is an essential component of thyroid hormones that regulate many biochemical reactions such as protein synthesis and enzyme activity, and are critical for metabolic activity. Iodine is necessary for the proper development of the central nervous system and bone in fetuses and infants.
- An adequate intake of iodine can prevent hypothyroidism that has been linked to infertility.
- Hypothyroidism has also been associated with high rates of miscarriage and pregnancy complications.
Benefits for pregnancy
- It is essential for the development of the baby's brain.
- Adequate iodine levels in pregnancy have been associated with normal levels of cognitive development in children.
- Iodine Deficiency May Impair Fertility
- Iodine deficiency in pregnant and fertile women in an area of normal iodine intake
- Effect of inadequate iodine status in UK pregnant women on cognitive outcomes in their children: results from the Avon Longitudinal Study of Parents and Children (ALSPAC)
- Subclinical hypothyroidism in the infertile female population: a guideline